Page 52
724-746-5500 | blackbox.com
Chapter 6: Troubleshooting
6. Troubleshooting
6.1 Blank Screen
Problem:
Status LED is blue.
Possible Cause:
No video signal detected.
Solution #1:
Check connections.
Solution #2:
Check input selection in the OSD (source type).
Solution #3:
Load DDC information of the connected monitor (see Section 5.2).
Solution #4:
Reboot CPU if necessary.
Problem:
Status LED is green.
Possible Cause:
No monitor is detected.
Solution:
Check the connection, length, and quality of the DVI-D cable to
monitor; tighten cable thumbscrews.
Problem:
Status LED is dark red.
Possible Cause #1:
No monitor is detected.
Solution #1:
Check the connection, length, and quality of the DVI-D cable to
monitor; tighten cable thumbscrews.
Possible Cause #2:
Resolution on the device side is not supported.
Solution #2:
Contact Black Box Technical Support at 724-746-5500 or
[email protected]; we will make a customer specific video mode.
Problem:
Status LED is violet.
Possible Cause:
Resolution on the device side is not supported.
Solution:
Contact Black Box Technical Support at 724-746-5500 or
[email protected]; we will make a customer specific video mode.